Common troubleshooting. You can use this tag when you cannot find a better fitting one. Please read the tag wiki for some first-aid.

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2answers
551 views

Two errors that refuse to be resolved, Google Play, Android 2.2.1

I have an old phone (LG Optimus V) running Android 2.2.1. I recently took it out and would like to download some apps on it. It automatically updated Android Market to Google Play by itself, but for ...
3
votes
1answer
10k views

How to access Samsung Galaxy S2 storage while phone is off

My Galaxy S2 recently froze while browsing facebook using Firefox (the loading animation kept playing though), then shut down after a minute. I haven't been able to turn it back on since then. I tried ...
-1
votes
0answers
15 views

HTC Desire 300 phone won't switch on, just vibrates

I have HTC Desire 300 & it won't switch on. It vibrates 7 or so times and keeps doing it.
0
votes
1answer
9k views

Omega ROM 4.4 bootloader/modem problems

Hi I was wondering if anyone else has had problems with this ROM update OMEGA ROM for Samsung Galaxy S4 I9505 I have followed the steps to flash the boot loader (completed successfully). Flashed the ...
2
votes
1answer
8k views

On Android, what is a “blue screen”, and what should you do about it?

Some Android users complain about seeing a "blue screen", and that their device has become unresponsive. (Here is one example, including a photograph of the affected device. Here is another example.) ...
0
votes
0answers
4k views

Run any user apps in safemode?

Some Background My Note 2 has strange slow down after hours of use. After hours of usage system_server and maybe kworker use a lot of CPU, mostly during apps open and switch, it lags badly. I also ...
5
votes
1answer
184 views

Recover Android system with TWRP Recovery

I tried installing an unofficial version of Cyanogenmod I found on XDA Developers that supports kltemini (SM-G800F). However, I messed up somewhere in the installation, and got a message on TWRP ...
4
votes
1answer
110 views

Battery level always 42%

I purchased a second hand nexus 5 to find out that the battery indicator is always showing 42% and never updates, regardless of the actual battery charge level. I tried replacing the battery with ...
1
vote
1answer
178 views

Looping through Terms and Verify Google Account after hard reset

I have a recent Samsung Galaxy 6S Edge phone that had to be factory reset. After the factory reset it will loop through the 'Terms and Conditions' acceptance screen and the 'Verify Google Account' ...
0
votes
0answers
46 views

Samsung Galaxy S2 phone keeps periodically detecting that charger is plugged in even when it's not

Samsung Galaxy S-2 phone keeps periodically detecting that the charger has been plugged in, apparently randomly I have noticed, however, that if I keep using the UI of the phone it doesn't happen, ...
0
votes
0answers
358 views

Using the Cerberus shell to input commands

I'd like to use the Cerberus shell to input commands like taps, swipes, and text. I know how to do it using the command line and ADB shell, but I don't have USB debugging enabled on my Nexus6, so I'm ...
1
vote
1answer
2k views

Asus Zenfone 6 doesn't see SIM cards, keeps booting itself. How to troubleshoot the issue?

I have a problem with Asus Zenfone 6 device, which worked well on stock firmware with minimal amount of additional installs for about a year. This is a dual SIM phone and it has both SIM card slots ...
2
votes
3answers
3k views

“Settings” hangs when scanning for WiFi since JB update on One X

I have an HTC One X which has never before exhibited any connection problems. Since the update to Jelly Bean around 2 weeks ago, it cannot reconnect to a WiFi network once it has lost the ...
-1
votes
1answer
862 views

How do i unbrick my lg sunshine

I had app hangovers restarting over and over again and could not open my settings on my phone app or any other application so I open the back of the phone and turned it off by pulling the battery out ...
2
votes
1answer
843 views
3
votes
0answers
456 views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
0
votes
0answers
14 views

Only part of display showing, still responding

I'm having a bit of a strange issue with my phone. I've got a samsung galaxy S3. My issue is that my phone displays only a single bar of pixels, right at the top of the screen. However, when it ...
13
votes
1answer
5k views

App <X> isn't working correctly. How can I fix it?

I have an application that isn't working correctly. Either it's not launching, or not responding to commands, or some of the functionality isn't doing what I expect. What are some simple steps I can ...
0
votes
0answers
312 views

My Moto X (2013) won't connect to wifi

I have a moto x 2013 and it can see my network, but it will not connect and if it does it wont connect long. I read everything I could find and have tried many tricks. Nothing has worked so far. Does ...
7
votes
7answers
20k views

WiFi Error: “Failed to connect to network”

Intermittently, when I try to connect to a WiFi network, I get the following error message as a toast message: Failed to connect to network The message pops up immediately upon attempting to ...
-1
votes
1answer
167 views

Unable to boot phone after deleting folders in SD storage

Am using a Samsung galaxy duos. I recently deleted everything from my sd card/usb storage and when I restarted my phone, it just keeps displaying the Samsung start screen but it doesn't boot up. ...
0
votes
0answers
267 views

Problem with gallery in my Huawei device

I saved the photos from Facebook but I can't see any of them. When I open the camera, it said that my SD card is full. What? No way. My SD card is 16GB. So, I think there is a problem on internal ...
2
votes
2answers
961 views

How to troubleshoot overheating and high battery drain in an Android Device?

Device info: Model : Micromax Canvas Nitro A310 Android Version : 4.4.2 Kernel Version : 3.4.67 Device Status : Rooted, Philz touch recovery, Xposed Framework installed Issue: My(relative's) ...
0
votes
1answer
915 views

Reverse tethering isn't working completely

i connected my phone to my pc's ethernet connection via (USB cable) reverse tethering AndroidTool on my PC and USB tunnel on my android. Now, the problem is, it is going well with UC browser but isn't ...
0
votes
1answer
983 views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
2
votes
1answer
271 views

Babbel languages learning apps won't play sounds

The Babbel language learning app doesn't play sounds anymore; this used to work for me for a while but now doesn't. Sounds are the central feature of the app which makes it superior to the PC web ...
2
votes
1answer
193 views

Rooted Galaxy Nexus GSM silently fails to reflash/erase - Unable to wipe and its rebooting continiously

I have been struggling for a week. Searching all though the internet. My Galaxy Nexus has suddenly stopped working. It is continuously rebooting. Its rooted but has stock rom 4.3. My problem is, I ...
-1
votes
1answer
51 views

Why does reinstalling an app sometimes work to fix problems?

It's not uncommon for people to recommend reinstalling an Android app if it isn't working properly. For example, see this post on this site. Why does this sometimes work? What is goes wrong with ...
1
vote
0answers
382 views

how to change the permission and ownership for internal sdcard

I have a problem with my internal SD card on my android 4.2.2. It shows there are no files on the internal SD card but there is a shortcut called "legacy" and I can't write anything on the internal SD ...
0
votes
1answer
35 views

my android tablet isnt tworking

I had a new tablet for Christmas and it worked properly. Today it just wasn't doing so well: I turned on the power and swiped my finger on the screen to unlock it. Then, When I touch an app it said ...
0
votes
0answers
232 views

How to test wifi adapter?

My VPN keeps disconnecting and I'm wondering if it's a problem with the wireless adapter. Is there a way I can test? I'm using the Xperia Z2 and there's ways to test the built in hardware like the ...
0
votes
0answers
7k views

Samsung Galaxy Ace not detected AT ALL on Windows 8 Pro

Here is the exact same problem but with a different phone: Unable to connect Galaxy S3 to PC via USB This is not the standard device on recognized ordeal but a device is not even being detected at ...
0
votes
1answer
157 views

How can I diagnose slowness in an Android device?

In Windows PC, when some computer is very slow, I use software like SysInternals Process Explorer to check background programs that is using more CPU/RAM. I use SysInternals AutoRuns to disable auto ...
0
votes
1answer
322 views

How to troubleshoot wifi connection problem?

Like some other people, I am plagued by the issue with gray wifi bars with a tablet running 4.2.2. I tried all recommended solutions: disabling power saving, switching between AES/TKIP on the router, ...
0
votes
3answers
2k views

How to get why an app crashed?

I regularly obtain the infamously unhelpful "unfortunately crappyApp has stopped working". How to figure out what actually went wrong? I guess there's a stack trace somewhere, though ideally I'd like ...
0
votes
1answer
193 views

HTTPS sites no longer load on my Android after installing cert to truststore

I have a rooted Android 4.3 JellyBean. I was testing something and trying to install the certificate for Charles Proxy so I could sniff some SSL traffic. I was able to push the Charles certificate to ...
1
vote
1answer
6k views

4.4 Update (Sprint Galaxy S3) disabled pattern lock, can i reenable?

This morning I applied the 4.4 update on my Galaxy S3 (Sprint). I noticed that I can no longer use a pattern lock. The message: "Turned off by administrator, encryption policy or credential storage" ...
1
vote
0answers
233 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
0
votes
1answer
289 views

How do I get my Android tablet on my network without getting stuck in a reboot loop?

I recently acquired an Android tablet PC (this thing: http://yourfirstsmartphone.com/android-tablet-pc/). I have not altered it at all from the factory fresh settings (in fact in attempt to solve the ...
0
votes
1answer
367 views

Light of Back button is not working on my Android mobile

I have Android Fly F45 S. From yesterday I am suddenly seeing that my Android mobile back button light is not working. The back button is working but the light is not lighting. I have never dropped it ...
0
votes
0answers
443 views

Phone storage not mounted , after using USB storage shows “Application not installed”

Earlier when I used to connect my phone (A jelly bean 4.2.2) to my computer (OS: Ubuntu 12.04) both my memory card and phone storage gets mounted automatically, but recently only my memory card gets ...
0
votes
1answer
533 views

Was it my rooting that caused my Android to malfunction? Or what was it really?

I finally rooted my phone around a week ago, amidst all those battling feelings, and I used it for around 4 days. While the phone was charging through the USB port of my computer, I remember like ...
2
votes
1answer
37 views

Internal space near full but shouldn't be and not according to other stats

So yesterday i was seeing how many apps i have installed and i noticed this...according to which only 248 MB is free. Which looks wrong to me too. But that is not the case according to storage ...
0
votes
0answers
86 views

Phone app crashes during phone calls

On my Android phone the Phone app will crash when taking or placing calls is there some way to replace the phone.apk?
2
votes
1answer
2k views

How can I determine what is causing my Nexus 4 to freeze?

I have a new-ish Nexus 4 with Cataclysm ROM installed (rooted, 4.3). The device has recently started freezing - being unresponsive to button presses, but with the white LED pulsing. I have to ...
-1
votes
1answer
387 views

no matter what i do my tablet has 0mb space available [duplicate]

Even after a factory reset when I go to settings>storage my tablet has about 120 MBS of space taken up between apps, audio, cached, and misc. But 0 available, can't download anything because of it, ...
0
votes
2answers
245 views

Uninstalled system keyboard

I rooted my phone and uninstalled keyboard application without backup.. Now i removed my root. I need keyboard. My phone is galaxy star pro. Android version 4.1.2. Help me.
0
votes
1answer
2k views

ERROR : Unknown error when installing the application “-24” [duplicate]

Every time I try to download an app called icoron on my Galaxy note 3 an error message appears, Unknown error when installing the application "-24 Can anyone please help me?
1
vote
0answers
349 views

MMS messages text disappears

When I receive an MMS message (Android 4.1.2), I can see by the momentary preview that there is text to the message, but when I open it, I cannot find the text, only the image. Anybody have the ...
2
votes
2answers
433 views

What is trying to connect to the network?

When I'm not actively using the network, I usually turn off Wifi, Bluetooth, and Data. Since upgrading from Android 4.3 (stock) to 4.4 (OTA update from my carrier) I notice two things: Battery life ...